Polly DP-5C Battery Case Inner Battery Pathfinder SYR-006 Battery Pack charge port

charge port

and long-range setups

and advanced BMS technology to ensure the highest levels of safety and reliability

It is named as such because it is mounted on the downtube of the bicycle frame

Polly DP-5C Battery Case Inner Battery Pathfinder SYR-006 Battery Pack charge portA "Downtube Battery" is a type of battery primarily used in electric bicycles. It is named as such because it is mounted on the downtube of the bicycle frame, which is the diagonal bar connecting the front of the frame to the rear. Important Disclaimer: Please be advised that this product is an empty case and does not include a lithium battery.